octaoxide

Etymology tree
Proto-Indo-European *oḱtṓw
Proto-Hellenic *oktṓ
Ancient Greek ὀκτώ (oktṓ)
Ancient Greek ὀκτᾰ- (oktă-)
English octa-
Proto-Indo-European *h₂eḱ-der.?
Ancient Greek ὀξύς (oxús)
Proto-Indo-European *ǵenh₁-
Proto-Indo-European *-os
Proto-Indo-European *ǵénh₁os
Proto-Hellenic *génos
Ancient Greek γένος (génos)
French oxygène
Latin acidusbor.
French acide
blend
French oxidebor.
English oxide
English octaoxide
From octa- + oxide.